Home / 125,220,573.70-187,830,860.55-86,956,821.70

Finding the Fourth Proportional to 125,220,573.70, 187,830,860.55 and 86,956,821.70

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Solution

The fourth proportional to 125,220,573.70, 187,830,860.55 and 86,956,821.70 is: 130,435,232.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,220,573.70 : 187,830,860.55 = 86,956,821.70 : x
  2. Step 2: Convert to fraction form
    125,220,573.70/187,830,860.55 = 86,956,821.70/x
  3. Step 3: Cross multiply
    125,220,573.70x = 187,830,860.55 × 86,956,821.70
  4. Step 4: Simplify right side
    125,220,573.70x = 16,333,174,650,603,916
  5. Step 5: Solve for x
    x = 16,333,174,650,603,916/125,220,573.70
  6. Step 6: Final answer
    x = 130,435,232.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.